<script setup>
import { ref } from 'vue'
import { User, Lock } from '@element-plus/icons-vue'
import { userLoginService, userRegisterService } from '@/api/user.js'
import { ElMessage } from 'element-plus'
import { useRouter } from 'vue-router'
import { useUserStore } from '@/stores/index.js'


const isRegister = ref(true)
const formModel = ref({
  username: '',
  password: '',
  repassword: ''
})

const rules = {
  username: [
    { required: true, message: '请输入用户名', trigger: 'blur' },
    { min: 3, max: 10, message: '用户名必须是5-10位的字符', trigger: 'blur' }
  ],
  password: [
    { required: true, message: '请输入密码', trigger: 'blur' },
    {
      pattern: /^\S{6,15}$/,
      message: '密码必须是6-15位的非空字符',
      trigger: 'blur'
    }
  ],
  repassword: [
    { required: true, message: '请再次输入密码', trigger: 'blur' },
    {
      pattern: /^\S{6,15}$/,
      message: '密码必须是6-15位的非空字符',
      trigger: 'blur'
    },
    {
      validator: (rule, value, callback) => {
        if (value !== formModel.value.password) {
          callback(new Error('两次输入的密码不一致'))
        } else {
          callback()
        }
      },
      trigger: 'blur'
    }
  ]
}
const form = ref()

const register = async () => {
  //await form.value.validate()
  await userRegisterService(formModel.value)
  ElMessage.success('注册成功')
  isRegister.value = false
}

var router = useRouter()
var userStore = useUserStore()
const login = async () => {
  await form.value.validate()
  var res = await userLoginService(formModel.value)
  userStore.setToken(res.data.token)
  ElMessage.success('登陆成功')
  router.push('/')
}

</script>
<template>
  <el-row class="login-page">
    <el-col :span="12" class="bg"></el-col>
    <el-col :span="6" :offset="3" class="form">
      <el-form ref="form" :rules="rules" :model="formModel" size="large" autocomplete="off" v-if="isRegister">
        <el-form-item>
          <h1>注册</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input v-model="formModel.username" placeholder="请输入用户名" type="text" :prefix-icon="User" />
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="formModel.password" type="password" :prefix-icon="Lock" placeholder="请输入密码" />
        </el-form-item>
        <el-form-item prop="repassword">
          <el-input v-model="formModel.repassword" type="password" :prefix-icon="Lock" placeholder="请再次输入密码" />
        </el-form-item>
        <el-form-item>
          <el-button @click="register" class="button" type="primary" auto-insert-space>
            注册
          </el-button>
        </el-form-item>
        <el-form-item>
          <el-link type="info" :underline="false" @click="isRegister=false">
            ⬅ 返回
          </el-link>
        </el-form-item>
      </el-form>
      <el-form ref="form" :rules="rules" :model="formModel" size="large" autocomplete="off"  v-else>
        <el-form-item>
          <h1>登录</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input v-model="formModel.username" placeholder="请输入账号" :prefix-icon="User" />
        </el-form-item>
        <el-form-item prop="password">
          <el-input v-model="formModel.password" type="password" placeholder="请输入密码" :prefix-icon="Lock" />
        </el-form-item>
        <el-form-item>
          <div class="flex">
            <el-checkbox size="large">
              记住我
            </el-checkbox>
            <el-link
              type="primary"
              :underline="false">
              忘记密码?
            </el-link>
          </div>
        </el-form-item>
        <el-form-item>
          <el-button @click="login" class="button" type="primary" auto-insert-space>
            登陆
          </el-button>
        </el-form-item>
        <el-form-item>
          <el-link type="info" :underline="false" @click="isRegister=true">
            ➡ 注册
          </el-link>
        </el-form-item>
      </el-form>
    </el-col>
  </el-row>
</template>
<style lang="scss" scoped>
.login-page {
  height: 100vh;
  background-color: #f0f2f5;

  .bg {
    background: url("@/assets/logo2.png") no-repeat 60% center /240px auto,
    url('@/assets/login_bg.jpg') no-repeat center / cover;
    border-radius: 0 20px 20px 0;
  }

  .form {
    display: flex;
    justify-content: center;
    flex-direction: column;
    user-select: none;

    .title {
      margin: 0 auto;
    }

    .button {
      width: 100%;
    }

    .flex {
      width: 100%;
      display: flex;
      justify-content: space-between;
    }
  }
}
</style>
